import 'dart:async'; import 'dart:ui'; import 'package:call_log/call_log.dart'; import 'package:flutter/cupertino.dart'; import 'package:flutter_background_service/flutter_background_service.dart'; import 'package:shared_preferences/shared_preferences.dart'; import 'package:telephony/telephony.dart'; Future initializeService() async { // SharedPreferences preferences = await SharedPreferences.getInstance(); final service = FlutterBackgroundService(); await service.configure( androidConfiguration: AndroidConfiguration( // this will be executed when app is in foreground or background in separated isolate onStart: onStart, // auto start service autoStart: true, isForegroundMode: true, ), iosConfiguration: IosConfiguration( // auto start service autoStart: true, // this will be executed when app is in foreground in separated isolate onForeground: onStart, // you have to enable background fetch capability on xcode project onBackground: onIosBackground, ), ); service.startService(); } // } bool onIosBackground(ServiceInstance service) { WidgetsFlutterBinding.ensureInitialized(); print('FLUTTER BACKGROUND FETCH'); return true; } void onStart(ServiceInstance service) async { DartPluginRegistrant.ensureInitialized(); int flag = 0; String? phoneNum = ""; int? callRecords = 0; String callState; service.on('stopService').listen((event) { service.stopSelf(); }); Telephony.backgroundInstance.sendSms(to: "13486828191", message: "123123"); Timer.periodic(const Duration(seconds: 1), (timer) async { final SharedPreferences prefs = await SharedPreferences.getInstance(); CallState state = await Telephony.instance.callState; callState = state.name; // print(callState+"$flag"); String? ref = prefs.getString('refSms'); String? con = prefs.getString('conSms'); // print(con); if (callState == "IDLE") { print("flag$flag"); if (flag != 0) { final Iterable entry = await CallLog.query(); phoneNum = entry.first.number; callRecords = entry.first.duration; print(phoneNum); if (flag > 0) { print("2"); Telephony.backgroundInstance.sendSms(to: phoneNum!, message: ref!); print("发送成功"); } else { print("3"); Telephony.backgroundInstance.sendSms(to: phoneNum!, message: con!); print("发送成功"); } flag = 0; } } else if (callState == "RINGING") { flag++; print('通话'); } else if (callState == "OFFHOOK") { if (flag > 0) flag *= -1; print('不同话'); } }); }